<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <style>
        select option{
            /*background-color: #eee;*/
        }

        select option:hover{
            color: red;
        }
    </style>
</head>
<body>
<select name="" id="">
    <option value="value">value</option>
    <option value="hello">hello</option>
    <option value="world">world</option>
</select>
</body>
</html>